[mrtg] Help with script into config file

Frank Misak Frank.Misak at mpiresearch.com
Thu Mar 26 13:33:17 CET 2009

Hi Dan,
I'm not sure how to use your template.  Also, I will try to adjust my
script to produce the 3 power legs and the total (giving me 4
variables), but what would my cfg file look like (what would make
sense)? Thanks for your help,


-----Original Message-----
From: mrtg-bounces at lists.oetiker.ch
[mailto:mrtg-bounces at lists.oetiker.ch] On Behalf Of McDonald, Dan
Sent: Wednesday, March 25, 2009 9:12 AM
To: mrtg at lists.oetiker.ch
Subject: Re: [mrtg] Help with script into config file

On Wed, 2009-03-25 at 08:51 -0400, Frank Misak wrote:
> Hi all,
> I am polling some Liebert UPS units and have created a script to poll 
> the 3 necessary OID's then produce a total (total AMP draw) however I 
> cannot figure out how to make the MRTG .cfg file work.

I have a template that does pretty well with most Lieberts...  It's
posted at

>  I keep getting a *.cfg_l file but not sure what the problem is.  Can 
> someone assist?
You need to return 4 values from your script.  You are currently
returning one.

> ##Script##
> #!/bin/ksh
> IPS=""
> OIDS=" \
> \
> for IP in $IPS; do
>         for OID in $OIDS; do
>                 OUT=`snmpwalk -v1 -c hermes $IP .$OID`
>                 INC=`echo $OUT |awk '{FS=":"}{print $4}'`
>                 TOTAL=`expr $TOTAL + $INC`
>         done
> done
> echo $TOTAL
echo $TOTAL
echo `date`
echo '';

> ##Here is the MRTG config file which doesn't work##
> Target[mo22_lieberts]: `/usr/local/mrtg-2/bin/mo22_lieberts.sh`
> MaxBytes[mo22_lieberts]: 3000
> Options[mo22_lieberts]: growright, gauge, perminute, nobanner, 
> withzeroes, nolegend
add noo to the list of options.

Daniel J McDonald, CCIE #2495, CISSP #78281, CNX Austin Energy


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